Finding the Fourth Proportional to 977,603.18, 1,466,515.53 and 877,146.17
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Solution
The fourth proportional to 977,603.18, 1,466,515.53 and 877,146.17 is: 1,315,818.63
Step by Step Solution
- Step 1: Write the proportion equation
977,603.18 : 1,466,515.53 = 877,146.17 : x - Step 2: Convert to fraction form
977,603.18/1,466,515.53 = 877,146.17/x - Step 3: Cross multiply
977,603.18x = 1,466,515.53 × 877,146.17 - Step 4: Simplify right side
977,603.18x = 1,286,348,473,052.44 - Step 5: Solve for x
x = 1,286,348,473,052.44/977,603.18 - Step 6: Final answer
x = 1,315,818.63
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.